Mount Rainier is rattling with the most powerful earthquake swarm scientists have ever recorded at the volcano. Why it matters: Rainier's reputation as the Cascades' most dangerous volcano means even ...

Russian coast causing tsunami watch across Russia and Hawaii.

The Pacific Tsunami Warning Center says there is no longer a danger of tsunami waves on Russia's Kamchatka Peninsula after multiple powerful earthquakes struck nearby on Sunday. The largest ...

Welcome to your weekly seismic update from across the state, brought to you by the Alaska Earthquake Center, where we monitor ground shaking 24-7. Over the past week, we recorded ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...

A new study corrects the recorded depth of an earthquake in Japan, revealing that it was not the deepest in history.

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

The primary goal of the tests is to determine if height limits for cold-formed steel-framed buildings can be increased.

Many recent moderate-to-large earthquakes are located in the study area, including a series of earthquakes in June 2004, about 60 km southwest of Tabuk. The largest earthquake in this series took ...

A 2.9-magnitude quake hit near Fairview in the San Francisco Bay Area, with over 800 people reporting it felt as far as West Sacramento and Santa Cruz.